Loading boom



ch 5, 927 G. KNOX/m LdAbINe BOOM Filed March '22.- 1923 2 Sheets-She eta n Invenfor. Q7672 X72076 Patented Feb. 15, 1927.

. ,to rotate the sheave D cable D to rotate the vertical pivot. I) is adriving belt extend- I UNITED STATE GLEN KNOX, OF GUNN, WYOlEING,ASSIGNOB T0 LINK-BELT COMPANY, OF CHICAGO,

' ILLDIOIS, CORPORATION" OF ILLINOIS.

LOADING BOOM.

Application filed March 22, 1923 Serial No. 626,744.

My invention relates to a loadingboom for delivering relatively finelydivi ed materials, such as coal, to railroad cars or other conveyors. Ithasior particular purpose to provide a booin adapted to deliver coal toa' mixed train wherein some of the cars are box cars and some are opentopped. A further object is to rovide a boom of the class described whicreceives coal from a source lower than the to of a box car. Otherobjects will appear rom time to time in the course of the specificationand claim.

I illustrate my invention more or less diagrammatically in theaccompanying drawings wherein- I Figure 1 isa side elevation with partsin section;

Figure 2 is a plan view.

Like parts are illustrated by like symbols throughout the specificationand drawings.

A, A are the structural members of any suitable tipplc, the details ofwhich form no part of the present application. A is the end of anysuitable ty of shaking or delivery chute or screen own which coal orsome similar material may be dischar ed.

B is a loading boom which is pivote as at B in the yoke B upon ahorizontal axis. The yoke B is in turn pivoted on a swivel and adaptedto rotate about a bolt B which is mounted in the block B forthe pur oseof which any bearing surface or mem er B? is provided.

C is a track herein shown as an I-beam which is supported in anysuitable manner,

for example upon the A-frames C, C, andv over-lies the outer end of theboom B. Ada ted to travel along the track is any suita le supportingelement C rovid'ed with upwardly and inwardly extending arms C,terminating in rollers C adapted to ride along the lower flanges of thetrack C. Any suitable means are provided for manually -.or mechanicallydrawing the element 0 back and forth along the track C to rotate theboom B about its pivot. The height of the outer end of the boom iscontrolled, for example, through the pulleys D, D, the cable D and hoistC D is a cable passing around the sheaves I), D and secured at each endto the supporting element C D is a pulley adapted and thus actuate theboom B about the ing to any suitable power source not herein shown.

D is any suitable depending oke, its arms being pivoted at the lowerends as at D to the boom B.

.The outer end'of the boom, preferably adjacent its connection to saidyoke, is downwardly inclined as at B The boom ma able manner an at itsupper end with any suitable motor E which, through the chain of gears Edrives the belt or conveyor sprocket E about which passes the endlessconveyor E which extends throughout substantially the entire length ofthe boom and passes about the terminal sprocket E the belt being guidedand supported in an suitable manner along the length of the om. E is anysuitable icking table platform mounted at one si e of the boom.

It will be realized that while I have illustrated a working mechanism,many changes might be made in the size, sha e, number and disposition ofparts without eparting from the spirit of my. invention.

The use and operation of my invention are as follows: a

In manyocoaling plants, the point of delivery of the chute or screen islower than the necessary clearance for a box car. It therefore becomes.desirable that when box cars, as well as open cars. are to be filled bya loading boom that the boom be pivoted at a point lower than the top ofthe box carl This necessarily involves pivoting the boom to one side ofthe track along which the cars are to be propelled. It also necessitatesa boom which, while pivoted at a lower point, is so shaped that it candeposit coal at the bottom of a box car without dropping it so as tocause breakage.

The loading boom I employ is of the endbe constructed in any suitlessconveyor type, having .a belt or conveyor which positively conveys thecoal deposited on one end of the boom to the other end of the boom,regardless of the angle at which the boom is positioned. .To enable thisboom when pivoted at one end at a point below the top of a box car, todeliver coal not merely to the open door of the box car, but over theedge and to the bottom of an open car, I rovide it with a downwardlyinclined on section. This permits it to deliver coal directly to the isherein shown as provided tically horizontal position.

bottom of an open car though the upper or inner section of the boom isin a prac- This is' illustrated in full lines in Figure 1. The boom,being pivoted to one side of the track, necessarily delivers its coalalong a path inclined to the longitudinal axis of a car, as shown inFigure 2. The boom being pivoted on a horizontal as well asa vertlcalpivot, it may be raised and lowered to compensate for various heights ofcars and to permit the end to be dropped into the car bottom and to belifted from the car when the car is filled. The car, of course, may bemoved progressively forward as the coal is deposited, until it is filledfrom end to end, and the boom is then lifted to permit the car to passon.

\Vhen a box car is to be filled the boom is not merely lifted, but isswung about its vertical pivot until it lies parallel with and along thesidelof the track. as shown in dotted lines in Figure 2. The box car isperferably spotted with its central door 0pposite the end of the boomand any suitable coaling chute is provided to receive the coal from theboom and deliver it through the box car door, the end of such a chutebeing diagrammatically illustrated by dotted lines in Figures 1 and 2.Preferably a box car loading device of anysuitable type is used, thedetails of which form no part of the present invention, but the coaldelivered to the box car may, of course,

be distributed in the box car by manual labor 1 if so desired.

I provide my boom with. a picking table tal and a vertical pivot, meansfor raising and lowering said boom about said horizontal pivot, and forrotating it about said vertical pivot to swing the outer end of the Iboom over the track, the length of the boom being substantially greaterthan the distance between the vertical pivot and the track, the outerend of the boom being downwardly inclined in relation to and integralwith the body of the boom.

Signed at Gunn, county'of Sweetwater and State of Wyoming, this 13 dayof March, 1923.

' GLEN KNOX.

